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Who Is at Risk for Polycythemia Vera?

Polycythemia vera (PV) is a rare blood disease. The disease affects people of all ages, but it's most common in adults who are older than 60. PV is rare in children and young adults. Men are at slightly higher risk for PV than women.

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Polycythemia Vera Clinical Trials

Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Polycythemia Vera, visit

March 01, 2011 Last Updated Icon

The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.